🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.46 AU - 0.68 AU

Year: 274 Days

Day: 37.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,980,988 km

• M1: 36,951 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 14

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.59 AU - 0.83 AU

Year: 380 Days

Day: 7.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,980,988 km

• M1: 174,282 km (0.1 R)
• M2: 622,028 km (0.098 R)
• M3: 1,082,490 km (0.054 R)
• M4: 1,670,260 km (0.098 R)
• M5: 2,164,681 km (0.085 R)
• M6: 2,635,914 km (0.116 R)
• M7: 3,089,046 km (0.11 R)
• M8: 3,573,295 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 13.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.82 AU - 1.14 AU

Year: 617 Days

Day: 12.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,980,988 km

• M1: 169,195 km (0.047 R)
• M2: 651,948 km (0.045 R)
• M3: 1,176,138 km (0.117 R)
• M4: 1,753,137 km (0.106 R)
• M5: 2,341,057 km (0.053 R)
• M6: 2,836,974 km (0.034 R)
• M7: 3,919,614 km (0.088 R)
• M8: 4,680,768 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 12.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.97 AU - 3.25 AU

Year: 3487 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,980,988 km

• M1: 150,795 km (0.054 R)
• M2: 527,183 km (0.099 R)
• M3: 1,561,503 km (0.026 R)
• M4: 1,969,755 km (0.101 R)
• M5: 2,601,058 km (0.07 R)
• M6: 3,236,101 km (0.099 R)
• M7: 3,669,187 km (0.083 R)
• M8: 5,778,218 km (0.07 R)
• M9: 7,076,877 km (0.07 R)
• M10: 7,486,027 km (0.11 R)
• M11: 8,667,102 km (0.039 R)
• M12: 10,323,300 km (0.106 R)
• M13: 11,396,216 km (0.12 R)
• M14: 11,784,572 km (0.1 R)
• M15: 12,360,973 km (0.111 R)
• M16: 13,237,168 km (0.117 R)
• M17: 14,352,719 km (0.049 R)
• M18: 15,582,563 km (0.113 R)
• M19: 16,495,409 km (0.033 R)
• M20: 18,843,497 km (0.108 R)
• M21: 20,254,056 km (0.063 R)
• M22: 20,824,772 km (0.09 R)
• M23: 21,276,108 km (0.069 R)
• M24: 22,064,938 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.6

Radius: 13.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.99 AU - 5.49 AU

Year: 6561 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,980,988 km

• M1: 177,124 km (0.096 R)
• M2: 764,296 km (0.102 R)
• M3: 1,945,820 km (0.087 R)
• M4: 2,446,823 km (0.118 R)
• M5: 3,652,432 km (0.104 R)
• M6: 5,329,125 km (0.07 R)
• M7: 6,086,090 km (0.103 R)
• M8: 6,598,762 km (0.059 R)
• M9: 7,405,394 km (0.077 R)
• M10: 7,850,298 km (0.076 R)
• M11: 10,733,498 km (0.114 R)
• M12: 15,776,891 km (0.119 R)
• M13: 16,286,271 km (0.063 R)
• M14: 16,982,649 km (0.111 R)
• M15: 21,173,484 km (0.052 R)
• M16: 23,580,813 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.6

Radius: 7.6

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.7 AU - 6.96 AU

Year: 11349 Days

Day: 23 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,980,988 km

• M1: 110,254 km (0.103 R)
• M2: 527,033 km (0.067 R)
• M3: 1,026,241 km (0.12 R)
• M4: 1,460,973 km (0.072 R)
• M5: 1,859,502 km (0.084 R)
• M6: 2,874,673 km (0.081 R)
• M7: 3,251,211 km (0.071 R)
• M8: 3,686,840 km (0.114 R)
• M9: 4,581,285 km (0.102 R)
• M10: 5,648,666 km (0.034 R)
• M11: 6,164,479 km (0.107 R)
• M12: 6,873,274 km (0.106 R)
• M13: 7,679,158 km (0.096 R)
• M14: 8,173,728 km (0.086 R)
• M15: 8,641,521 km (0.112 R)
• M16: 9,941,526 km (0.114 R)
• M17: 11,195,905 km (0.105 R)
• M18: 15,377,315 km (0.101 R)
• M19: 16,162,853 km (0.063 R)
• M20: 17,505,344 km (0.1 R)
• M21: 17,891,008 km (0.109 R)
• M22: 18,282,505 km (0.078 R)
• M23: 23,528,753 km (0.064 R)
• M24: 26,950,655 km (0.12 R)
• M25: 29,155,578 km (0.067 R)
• M26: 31,364,540 km (0.099 R)
• M27: 33,210,279 km (0.067 R)
• M28: 36,362,156 km (0.111 R)
• M29: 41,728,680 km (0.1 R)
• M30: 42,140,823 km (0.085 R)
• M31: 42,833,910 km (0.093 R)
• M32: 44,528,255 km (0.117 R)
• M33: 47,004,399 km (0.095 R)
• M34: 48,351,677 km (0.034 R)
• M35: 50,187,991 km (0.061 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 17,320 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit